1986 Header Fasteners

Header Bolt, Hex Head, Steel, Black Oxide, 3/8 in.-16, 0.750 in. U.H.L., Set of 16

Part Number: MIL-84541

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Header Studs, 12-Point Nuts, Chromoly, Black Oxide, 9/16 in. Wrench, Chevy, Small Block, Set of 12

Part Number: MIL-81500

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Bolts, 12-point, 3/8 in.-16 Thread Size, Steel, Zinc Color, 1.00 in. Underhead Length, Chevrolet, Big Block, Set of 16

Part Number: EW1-276454

Not Yet Reviewed

Estimated Ship Date: Today

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, 3.8L, Set of 12

Part Number: STG-6912

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Header Bolts, 12-point, 3/8 in.-16 Thread Size, Steel, Zinc Color, 1.00 in. Underhead Length, Chevrolet, Small Block, Set of 12

Part Number: EW1-276350

Not Yet Reviewed

Estimated Ship Date: Today